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Noctua NH-U9S, Premium CPU Cooler with NF-A9 92mm Fan (Brown)

(212)(12) Write a Review
  • NH-U9S
  • NH-U9 TR4-SP3
  • Compact single-tower design combines strong cooling performance with excellent case-, RAM- and PCIe-compatibility
  • Only 125mm height is ideal for HTPCs, ITX and Small Form Factor builds; Does not overhang the RAM or PCIe slots on most current motherboards
  • Highly optimised NF-A9 92mm fan with PWM support and Low-Noise Adaptor for automatic speed control and ultra-quiet operation
  • Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 & AM4 (offset mounting option for best efficiency)
  • Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Core & Core Ultra (e.g. 285K, 265K, 245K) and AMD Ryzen (e.g. 9950X, 9900X, 9700X, 9600X)
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Overview
Specs
Reviews (212)
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Continuing the renowned legacy of Noctua's NH-U9 series, the NH-U9S is a premium quality quiet CPU cooler in classic 9cm size. Its asymmetrical design with 5 heatpipes not only provides even better cooling performance than the previous generation but also improves compatibility: Thanks to its 95x95mm footprint, the NH-U9S clears the RAM and PCIe slots on all Intel and most AMD based mainboards, including µATX and ITX. Combined with its 125mm height, this makes the NH-U9S a highly versatile solution with excellent case, RAM and PCIe compatibility. The included NF-A9 premium fan supports automatic speed control via PWM for outstanding quietness of operation and a second, optional NF-A9 fan can be added for further improved performance in dual fan mode. Topped off with the trusted, pro-grade SecuFirm2 multi-socket mounting system and Noctua's proven NT-H1 thermal compound, the NH-U9S is a deluxe choice through and through.

 

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S version with better compatibility
Like its bigger brothers NH-U12S and NH-U14S, the NH-U9S features a revised, slimmer layout: Whereas the NH-U9B SE2 was 120mm deep with its two stock fans, the NH-U9S is asymmetrically built and measures only 95mm with its single, more efficient NF-A9 fan, thus providing better performance and compatibility at the same time.  
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100% RAM compatibility
With its 95x95mm footprint, the NH-U9S does not overhang the RAM slots on current Intel and most AMD mainboards. This gives the user full access to the memory modules and guarantees 100% compatibility with tall heatspreaders or optional memory fans.  
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100% compatibility with PCIe cards on mini-ITX
Many Intel LGA115x based mini-ITX mainboards have the PCIe slot sitting right next to the 95x95mm socket zone. While larger coolers that exceed this zone are likely to block the PCIe slot, the 95x95xmm sized NH-U9S provides full compatibility with PCIe cards, be it on ATX, microATX or ITX.  
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Noctua's much-acclaimed NT-H1 is a pro-grade TIM solution that provides minimum thermal resistance, excellent ease of use and outstanding reliability. Chosen again and again by overclockers and enthusiast users worldwide, it has established itself as a benchmark for premium-quality thermal compounds.

 

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Cooler Specification
Scope of delivery
  • NF-A9 PWM premium fan
  • NA-RC7 Low-Noise Adaptor (L.N.A)
  • NT-H1 high-grade thermal compound
  • SecuFirm2 mounting kit
  • Fan-clips for second NF-A9
  • Noctua Metal Case-Badge
Fan compatibility

92x92x25 mm

 

Measurements

  • Height (without fan): 125 mm

  • Width (without fan): 95 mm

  • Depth (without fan): 68 mm

  • Height (with fan): 125 mm

  • Width (with fan): 95 mm

  • Depth (with fan): 95 mm

  • Weight (without fan): 524 g

  • Weight (with fan/s): 618 g

Materials

Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating


 

NF-A9 premium fan

The highly optimised NF-A9 features Noctua's proprietary AAO frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, which allows it to further improve the efficiency of Noctua's previous 92mm models and contributes to the NH-U9S' superior cooling performance.

 

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Products
image for this item NH-U9S
image for this item NH-U9 TR4-SP3
image for this item NH-U9 DX-4189
image for this item NH-U9 DX-4677
pic NH-U9S chromax.black
LGA1851, LGA1700 - - -
LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) - - -
LGA20xx Square ILM with NM-i20xx - - - with NM-i20xx
LGA20xx Narrow ILM - - - - -
LGA4189 - with NM-i4189 with NM-i4189 -
LGA4677 - with NM-i4677 with NM-i4677 -
AM5 - - -
AM4 - - -
TR4, SP3, sTRX4, sWRX8 - - - -
sTR5, SP6 - with NM-TR5-SP6 with NM-TR5-SP6 with NM-TR5-SP6 -
Continuing the renowned legacy of Noctuas award-winning NH-U9 series, the NH-U9S is a premium quality quiet CPU cooler in classic 9cm size. Its asymmetrical design with 5 heatpipes not only provides even better cooling performance than the previous generation but also improves compatibility: Thanks to its 95x95mm footprint, the NH-U9S clears the RAM and PCIe slots on all Intel and most AMD based mainboards, including µATX and ITX. Combined with its 125mm height, this makes the NH-U9S a highly versatile solution with excellent case, RAM and PCIe compatibility. The included NF-A9 premium fan supports automatic speed control via PWM for outstanding quietness of operation and a second, optional NF-A9 fan can be added for further improved performance in dual fan mode. Topped off with the trusted, pro-grade SecuFirm2 multi-socket mounting system, Noctuas proven NT-H1 thermal compound and full 6 years manufacturers warranty, the NH-U9S is a deluxe choice through and through.

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Return for replacement within: non-replaceable
  • This item is covered by Noctua Cooling Solutions Return Policy
  • *Subject to applicable law

  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

Manufacturer Contact Info

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The Noctua NH-U9S is a 125mm-tall single-tower CPU air cooler with a 92mm PWM fan, suited to HTPC, ITX, and small-form-factor builds where cooling, RAM clearance, and PCIe compatibility matter.

Recommended For

  • Small-form-factor, Mini-ITX, or HTPC builders whose case limits CPU-cooler height to about 125 mm and who want a tower-style air cooler; check the case’s exact clearance before buying.
  • Builders working around tight RAM or PCIe clearances who want a compact cooler designed to avoid obstructing those areas on many motherboards.
  • People replacing a stock cooler in a compact build who want a quieter, more capable air-cooling option for a moderate-power CPU without moving to a large heatsink.
  • Users who value an air cooler with a straightforward single-fan setup and low noise during lighter use, and can accept more fan noise when the CPU is under heavy load.

Real-World Use Scenarios

  • Building a compact Mini-ITX or small-form-factor PC with limited CPU-cooler height? The NH-U9S can fit cases that rule out taller tower coolers, while its compact layout helps avoid blocking nearby RAM or PCIe slots; check the case and motherboard compatibility before buying.
  • Using a mainstream CPU for everyday work, browsing, or gaming in a compact build? Testing with a Ryzen 5 7600X found near-comparable CPU benchmark performance to larger coolers, though the NH-U9S is better suited to moderate-power use than unrestricted, sustained high-load operation.
  • Replacing a low-profile cooler in a small PC where fan noise is noticeable? The NH-U9S’s tower heatsink gives it more cooling area than very flat coolers, which can help it handle routine CPU loads without needing the same compact cooler trade-off; actual noise depends on the case and fan settings.
  • Fitting a cooler around tall memory or a graphics card in a crowded motherboard layout? The NH-U9S’s narrow tower design is intended to preserve nearby component access, reducing the chance that the cooler itself complicates the build.
  • Running long, all-core workloads or planning to overclock a high-power CPU in a small case? The NH-U9S may reach its limits sooner than a larger cooler, so verify CPU-cooler suitability and case airflow rather than assuming its compact size will handle sustained heavy loads.